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2 votes
Can sumbody help meh wit dis plz and ty .I’ll give ya 14 points

Can sumbody help meh wit dis plz and ty .I’ll give ya 14 points-example-1

2 Answers

4 votes

Answer:

1. is 5

2. is -4

3. is -24

Explanation:

i dont understand why you didnt just use a calculator but here.

User Mahesh Lad
by
4.2k points
4 votes

Answer:

Explanation:

1) x + 7 = 12

Add the additive inverse of 7 = -7 to both sides

x + 7 - 7 = 12 - 7

x + 0 = 5

x = 5

2) 7a = -28

Divide both sides by 7

7a/7 = -28/7

a = -4


3)(y)/(8)= -3\\\\

Multiply both sides by 8


\frac{y}8}*8=-3*8\\\\y=-24

User Camo
by
4.2k points